Update from chromium https://crrev.com/301315

sandbox/linux/seccomp-bpf/verifier.h

Index: sandbox/linux/seccomp-bpf/verifier.h
diff --git a/sandbox/linux/seccomp-bpf/verifier.h b/sandbox/linux/seccomp-bpf/verifier.h
index 66a3ee0f568e06e2199519189c50a469bf42d483..6bd747bd75349ef538bd374bef9ce27bb8489d2b 100644
--- a/sandbox/linux/seccomp-bpf/verifier.h
+++ b/sandbox/linux/seccomp-bpf/verifier.h
@@ -16,7 +16,7 @@ struct sock_filter;
 namespace sandbox {
 struct arch_seccomp_data;
 namespace bpf_dsl {
-class SandboxBPFDSLPolicy;
+class Policy;
 class PolicyCompiler;
 }
 
@@ -31,7 +31,7 @@ class Verifier {
   // error message that does not need to be free()'d.
   static bool VerifyBPF(bpf_dsl::PolicyCompiler* compiler,
                         const std::vector<struct sock_filter>& program,
-                        const bpf_dsl::SandboxBPFDSLPolicy& policy,
+                        const bpf_dsl::Policy& policy,
                         const char** err);
 
   // Evaluate a given BPF program for a particular set of system call